/**
 * 返回随机色值
 */
export let getRandomColor = () => {
	const rgb = [];
	for (let i = 0; i < 3; ++i) {
		let color = Math.floor(Math.random() * 256).toString(16);
		color = color.length == 1 ? '0' + color : color;
		rgb.push(color);
	}
	return '#' + rgb.join('');
};
